Product Specifications
Applications
Air-vapor barrier box for outlets in locations that interrupt interior airtight layers). Air / vapor barrier box to seal electrical boxes when there is no service cavity between the airtight layer and the interior finish (sheetrock).
Dimensions
Size of box interior: 167 mm (6 1/2”) x 190 mm (7 1/2”)
Box is 75 mm (2.9”) deep
Advantages
- Designed to attach to a wall or ceiling frame member and can contain up to three conventional electrical boxes
- No pre-made penetrations, so penetrations can be made at any location
- Bulk discounts available for full boxes (see bulk rate table for details)
Properties
- Air-vapor barrier
- Eliminates air leakage through electrical boxes
- Prevents moisture damage in walls and ceilings
- Improves comfort and energy efficiency
- Easy to install
- One size fits all electrical boxes
- unit
- unit
- LESSCO UTILITY BOX Specifications (PDF - English)
- https://foursevenfive.ca/content/product/air_sealing_system/lessco_utility_box/spec_sheet_lessco_utility_box.pdf
- blog
Related Blog Posts
- How To Stay Airtight Without A Service Cavity
- https://foursevenfive.ca/blog/how-to-stay-airtight-without-a-service-cavity/
- Dartmouth College Dormitory Retrofit in Hanover, NH
- https://foursevenfive.ca/blog/hanover-nh-dartmouth-college-dormitory-retrofit/
- INTELLO Plus transforms assisted living facility in Mashpee, MA
- https://foursevenfive.ca/blog/intello-plus-transforms-assisted-living-facility-in-mashpee-ma/
- extra
- extra
- Penetration Type
- Cable/Wire
- Penetration Type
- Utility Box
- Dimensions
- < 1 cm (0.5") diameter
- Dimensions
- 1 - 2.5 cm (0.5" - 1.5") diameter
- Dimensions
- 2.5 - 5 cm (1.5" - 2") diameter
- Dimensions
- 5 - 9 cm (2" - 3.5") diameter
